NSURLConnection上传数据的特殊字符处理
NSString *oneStr =@"one+two";
NSString *twoStr =CFURLCreateStringByAddingPercentEscapes(kCFAllocatorDefault,
(CFStringRef)oneStr,
NULL,
CFSTR(":/?#[]@!$&’()*+,;="),
kCFStringEncodingUTF8);
[request setHTTPBody:[twoStr dataUsingEncoding:NSUTF8StringEncoding]];
[twoStr release];
[urlRequestsetHTTPBody:[bodyStr dataUsingEncoding:NSUTF8StringEncoding]];